Wisconsin undergoes big political shifts
When a state like Wisconsin stays politically competitive for decades, you might think it's a sign of stability - that its "purple" character is somehow locked in and unchanging.
But you'd be wrong.
Look at the map and you see change everywhere. The cities and suburbs of Milwaukee and Madison have gotten bluer. Rural Wisconsin has gotten redder. Most Wisconsin voters live in places that are trending in one political direction or the other.
But the state persists as a partisan b...